United Airlines (United States)
UA; Airports: Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, New York (JFK, EWR, LGA), New York - Newark Liberty International Airport, NJ, San Francisco International Airport, CA, Houston - George Bush Intercontinental Airport, TX, Houston - Metropolitan Area (IAH, HOU), Washington-DC
American Airlines (United States)
AA; Airports: Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Dallas-Fort Worth International Airport, T, Charlotte Douglas International Airport, NC, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), New York (JFK, EWR, LGA), London Heathrow, Miami International Airport, FL
Spirit Airlines (United States)
NK; Airports: Fort Lauderdale-Hollywood International Airport, FL, Orlando International Airport, FL, Las Vegas - McCarran International Airport, NV, Detroit Metropolitan Area, Detroit Metropolitan Wayne County Airport, MI, Baltimore-Washington International-Thurgood Marshall Airport, MD, Los Angeles International Airport, CA, Chicago-IL all Airports (ORD, MDW, RFD)
Frontier Airlines (United States)
F9; Airports: Denver International Airport, CO, Orlando International Airport, FL, Las Vegas - McCarran International Airport, NV, Guadalajara, Cancun, Philadelphia International Airport, PA, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL
JetBlue Airways (United States)
B6; Airports: New York (JFK, EWR, LGA), Boston Logan International Airport, MA, New York - John F. Kennedy International Airport, NY, Fort Lauderdale-Hollywood International Airport, FL, Orlando International Airport, FL, San Juan - Luis Muñoz Marín International Airport, New York - Newark Liberty International Airport, NJ, Los Angeles International Airport, CA
Delta Air Lines (United States)
DL; Airports: Hartsfield-Jackson Atlanta International Airport, GA, Detroit Metropolitan Area, Detroit Metropolitan Wayne County Airport, MI, New York (JFK, EWR, LGA), Minneapolis - St. Paul International Airport, MN, Los Angeles International Airport, CA, Salt Lake City International Airport, UT, New York - John F. Kennedy International Airport, NY
Alaska Airlines (United States)
AS; Airports: Seattle-Tacoma International Airport, WA, San Francisco International Airport, CA, Los Angeles International Airport, CA, Portland International Airport, Oregon, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Ted Stevens Anchorage International Airport, AK, San Diego - Lindberg Field International, CA
Silver Airways (United States)
3M; Airports: Fort Lauderdale-Hollywood International Airport, FL, Tampa International Airport, FL, Orlando International Airport, FL, Key West-FL, Marsh Harbour, North Eleuthera, Freeport (Bahamas), George Town
Cape Air (United States)
9K
Hawaiian Airlines (United States)
HA; Airports: Honolulu International Airport, HI, Tokyo, all Airports (HND, NRT), Tokyo-Haneda International Airport, Kahului Airport, HI, Kona, HI, Lihue, HI, Sapporo-Shin-Chitose Airport, Sapporo - Metropolitan Area (CTS, OKD)
Sun Country Airlines (United States)
SY; Airports: Minneapolis - St. Paul International Airport, MN, Las Vegas - McCarran International Airport, NV, Fort Myers-Southwest Florida Reg-FL, Orlando International Airport, FL, Dallas-Fort Worth International Airport, T, Phoenix - Sky Harbor International Airport, Tampa International Airport, FL, Cancun
Virgin America (United States)
VX
Southwest Airlines (United States)
WN; Airports: Chicago-IL all Airports (ORD, MDW, RFD), Chicago Midway International Airport, IL, Denver International Airport, CO, Las Vegas - McCarran International Airport, NV, Dallas-Love Field, TX, Baltimore-Washington International-Thurgood Marshall Airport, MD, Phoenix - Sky Harbor International Airport, Houston-Hobby, Airport, TX
Ryan Air (United States)
7S
Bering Air (United States)
8E; Airports: Kotzbue Ralph Wien Airport, Nome, AK, Unalakleet, AK, Kobuk, Elim, Gambell, Brevig Mission, Wales
Great Lakes Airlines (United States)
ZK
Ravn Alaska (United States)
7H; Airports: Bethel, AK, Ted Stevens Anchorage International Airport, AK, Aniak, Kotzbue Ralph Wien Airport, Nome, AK, Barrow, Kenai-AK, St. Mary's
Tradewind Aviation (United States)
TJ; Airports: San Juan - Luis Muñoz Marín International Airport, St. Barthelemy, Nantucket, MA, White Plains-NY, Teterboro, Martha's Vineyard, MA, Antigua, Anguilla
Boutique Air (United States)
4B; Airports: Denver International Airport, CO, Dallas-Fort Worth International Airport, T, Johnstown, PA, Merced, CA, Victoria, TX, Alamosa, Nashville International Airport, TN, Cortez Municipal